/Engine/Plugins/Runtime/AndroidPermission/Source/AndroidPermission/Classes/AndroidPermissionFunctionLibrary.h
Try to acquire permissions and return a singleton callback proxy object containing OnPermissionsGranted delegate
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Meta=(DisplayName="Request Android Permissions"), Category="AndroidPermission") static [UAndroidPermissionCallbackProxy](API\Plugins\AndroidPermission\UAndroidPermissionCallbackProxy) * AcquirePermissions ( const [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & permissions )